feat: WebSocket connection

modules/config.py

@@ -0,0 +1,68 @@
+"""
+Configuration management for the cryptocurrency trading platform.
+"""
+
+import os
+from typing import Optional
+
+from dotenv import load_dotenv
+
+# Load environment variables from .env file
+load_dotenv()
+
+
+def get_redis_url() -> str:
+    """
+    Get Redis connection URL from environment variables.
+    
+    Returns:
+        Redis connection URL
+    """
+    return os.getenv("REDIS_URL", "redis://localhost:6379/0")
+
+
+def get_timescaledb_url() -> str:
+    """
+    Get TimescaleDB connection URL from environment variables.
+    
+    Returns:
+        TimescaleDB connection URL
+    """
+    return os.getenv("TIMESCALEDB_URL", "postgresql://localhost:5432/trading")
+
+
+def get_supported_exchanges() -> list:
+    """
+    Get list of supported exchanges from environment variables.
+    
+    Returns:
+        List of supported exchange names
+    """
+    exchanges = os.getenv("SUPPORTED_EXCHANGES", "binance")
+    return [ex.strip() for ex in exchanges.split(",") if ex.strip()]
+
+
+def get_exchange_config(exchange_name: str) -> dict:
+    """
+    Get configuration for a specific exchange.
+    
+    Args:
+        exchange_name: Name of the exchange
+        
+    Returns:
+        Exchange configuration dictionary
+    """
+    config = {
+        "binance": {
+            "ws_url": "wss://stream.binance.com:9443",
+            "api_url": "https://api.binance.com",
+            "max_concurrent_connections": 1000,
+        },
+        "okx": {
+            "ws_url": "wss://ws.okx.com:8443",
+            "api_url": "https://www.okx.com",
+            "max_concurrent_connections": 1000,
+        }
+    }
+    
+    return config.get(exchange_name.lower(), {})